3D SYSTEMS CORP — Director's Dealing 2010

Nov 4, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3D SYSTEMS CORP (TDSC)
CIK: 0000910638
Period of Report: 2010-11-02

Reporting Person: LOEWENBAUM G WALTER II (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-11-02	Common Stock	S	1800	$26.10	Disposed	734844	Direct
2010-11-02	Common Stock	S	1500	$26.15	Disposed	733344	Direct
2010-11-02	Common Stock	S	1300	$26.19	Disposed	732044	Direct
2010-11-02	Common Stock	S	200	$26.191	Disposed	731844	Direct
2010-11-02	Common Stock	S	1300	$26.20	Disposed	730544	Direct
2010-11-02	Common Stock	S	200	$26.21	Disposed	730344	Direct
2010-11-02	Common Stock	S	261	$26.211	Disposed	730083	Direct
2010-11-02	Common Stock	S	1800	$26.22	Disposed	728283	Direct
2010-11-02	Common Stock	S	200	$26.228	Disposed	728083	Direct
2010-11-02	Common Stock	S	2200	$26.231	Disposed	725883	Direct
2010-11-02	Common Stock	S	200	$26.237	Disposed	725683	Direct
2010-11-02	Common Stock	S	200	$26.245	Disposed	725483	Direct
2010-11-02	Common Stock	S	100	$26.246	Disposed	725383	Direct
2010-11-02	Common Stock	S	500	$26.25	Disposed	724883	Direct
2010-11-02	Common Stock	S	200	$26.251	Disposed	724683	Direct
2010-11-02	Common Stock	S	600	$26.255	Disposed	724083	Direct
2010-11-02	Common Stock	S	200	$26.27	Disposed	723883	Direct
2010-11-02	Common Stock	S	3000	$26.29	Disposed	720883	Direct
2010-11-02	Common Stock	S	200	$26.41	Disposed	720683	Direct
2010-11-02	Common Stock	S	3839	$26.44	Disposed	716844	Direct
2010-11-02	Common Stock	S	200	$26.45	Disposed	716644	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	0	Indirect
Common Stock	102147	Indirect
Common Stock	110847	Indirect
Common Stock	11093	Indirect
Common Stock	33509	Indirect
Common Stock	49579	Indirect
Common Stock	21824	Indirect
Common Stock	23855	Indirect
Common Stock	50057	Indirect

Footnotes

F1: Mr. Loewenbaum's direct holdings changed since the filing of his Form 4 on May 18, 2010 as a result of four transfers completed by Mr. Loewenbaum. These transfers included the transfer of (i) 181,525 shares from his direct holdings which are currently held in The LSL3D 2010 Annuity Trust; (ii) 181,526 shares from his direct holdings which are currently held in the GWL 2010 Annuity Trust; (iii) 251,900 shares previously held by G. Walter Loewenbaum CGM Profit Sharing Custodian account to Mr. Loewenbaum's direct holdings; and (iv) 29,351 shares previously held by GWL 2008 Annuity Trust to Mr. Loewenbaum's direct holdings. These transfers did not impact the total shares held directly or indirectly by Mr. Loewenbaum.

F2: The number of shares in this account decreased to 0 since the filing of Mr. Loewenbaum's Form 4 on May 18, 2010 as a result of his transfer of the 251,900 shares previously held in this account to his direct holdings.

F3: The Reporting Person disclaims beneficial ownership of these securities except to the extent of any pecuniary interest therein.

F4: Mr. and Mrs. Loewenbaum serve as Trustees.

F5: Mr. Loewenbaum serves as Trustee.

F6: Mr. and Mrs. Loewenbaum are the general partners.

F7: The number of shares in this trust decreased by 29,351 shares since Mr. Loewenbaum's filing of his Form on May 18, 2010 as a result of a transfer of such shares by Mr. Loewenbaum to his direct holdings.